BBC Propane: What spark plug gap?

[bbone]

Putting the finishing touches on my 496, I have searched and not seeing what I am looking for..figured I would try here..What gap for spark plugs for a big block chevy on propane?

 

[gottagofast]

Scroll down past the menus

http://www.ngk.com.au/spark-plugs/technical-information/lpg-compatibility

 

[bbone]

Thank you!

 

[altfuel1991]

The NGK site has good info. Make sure and use a standard tip plug, not platinum. Platinum spark plugs in a propane vapor fueled engine will not cool down quick enough as the platinum absorbs heat and can turn into glow plugs under heavy use.